共済 きょうさい事業 じぎょうではありませんでした
kyōsaijigyōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 共済事業

1. Was not a mutual aid/welfare undertaking.; Was not a cooperative endeavor.

Past/Perfective
Negative
Polite
Formal Register